Social Studies, 31.01.2020 00:05 scholarlystudenttt28

The essence of an experiment, as opposed to an observational study is to:

a. change one or more factors and observe the effects

b. reduce the number of hidden variables

c. base findings on a facts that can be observed and verified.

d. start with a hypothesis and prove or disprove it

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The essence of an experiment, as opposed to an observational study is to:

a. change one...

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